Potassium Hydroxide Pellets 85% AR – Confirms to BP,USP Caustic potash
| Physical Properties | |
| Physical state at 20 °C | Solid |
| Colour | White flakes |
| Odour | Odorless |
| Melting point/ Freezing point [°C] | 361 °C |
| Density [g/cm3] | 2.04 |
| Boiling point [°C] | 1320°C |
| Solubility in water [% weight] | Soluble in water |
| pH value | 13.5 |
| Specification | |
| Appearance | White deliquescent pellets |
| Assay (as KOH) | 85.0- 100.5% |
| Identification | Passes test |
| Appearance of solution | Passes test |
| Carbonate (as K2CO3) | Max 1.0% |
| Chloride (Cl) | Max 0.005% |
| Phosphate (PO4) | Max 0.0005% |
| Sulphate (SO4) | Max 0.003% |
| Heavy metal (as Pb) | Max 0.001% |
| Iron (Fe) | Max 0.001% |
| Total nitrogen (N) | Max 0.001% |
| Calcium (Ca) | Max 0.005% |
| Nickel (Ni) | Max 0.001% |
| Sodium (Na) | Max 0.5% |
Safety Information
- Symbol: GHS05, GHS07
- Signal Word: Danger
- UN No.: 1813
- IMCO Class No.: 8
- Packing Group: II
- Hazardous Statement: H302-H314
- Precaution Statement: P280-P305 + P351 + P338-P310
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